1. AL2O3:40%-48%. 2. High refractoriness. 3. Physicochemical stability. 4. High quality refractory raw materials.

Calcined kaolin clay

Characteristics:

 1. High refractoriness.

 2. Physicochemical stability.

 3. Bulk density high .

 4. Low porosity.

 5. Low water absorption.

 6. Fully calcined

 7. Low impurity content.

 8. Pure white.

Specifications:

Particles: 0-1mm,1-3mm,3-5mm,5-8mm,8-15mm

Sand:16-30mesh,30-60mesh,60-80mesh,80-120mesh

Powder: 200mesh,250mesh,325mesh

Physical and chemical indicators:

Item/Grade	YNS45	YNS45	YNS44	YNS44	YNS43	YNS42	YNS40	YNS36
	A	B	A	B
AL2O3 %	46-48	45-48	44-48	44-48	43-48	42-46	40-46	36-42
SiO2 %	49-52	49-52	50-53	50-53	50-53	50-53	50-54	50-55
Fe2O3 %   (max)	1.0	1.15	1.3	1.5	2.0	2.5	3.0	3.5
Ti02 %   (max)	0.8	0.8	0.9	0.9	1.0	1.1	1.2	1.3
K2O+Na2O %   (max)	0.3	0.3	0.4	0.4	0.4	0.5	0.5	0.6
Ca0+Mg0 %   (max)	0.5	0.5	0.5	0.5	0.5	0.6	0.7	0.8
Bulk density g/cm³(min)	2.58	2.55	2.52	2.50	2.45	2.40	2.37	2.30
Refractoriness °C(min)	1780	1770	1760	1750	1740	1720	1710	1700
Impurities %  (max)	0.5	1.5	2.0	2.5	3.0	3.5	4.0	4.5

Applications:

Calcined kaolin clay is mainly used for manufacturing high-quality refractory products, refractory castable, sagger, kiln furniture, crucibles, ceramic fiber, precision casting sand, ceramics products, etc.

Calcined kaolin clay